diff --git a/examples/community/video-modes/README.md b/examples/community/video-modes/README.md new file mode 100644 index 0000000..d5fbc0e --- /dev/null +++ b/examples/community/video-modes/README.md @@ -0,0 +1,12 @@ +# Video Modes + +Just a demo on how to retrieve and set video modes with Pixel. + +Made by [David Linus Briemann](https://github.com/dbriemann/). + +## Controls + +ESC - Quit +W - Toggle between fullscreen and windowed. + +Switch video modes with the shown characters. diff --git a/examples/community/video-modes/main.go b/examples/community/video-modes/main.go new file mode 100644 index 0000000..a561c89 --- /dev/null +++ b/examples/community/video-modes/main.go @@ -0,0 +1,116 @@ +package main + +import ( + "fmt" + + "github.com/faiface/pixel" + "github.com/faiface/pixel/pixelgl" + "github.com/faiface/pixel/text" + "golang.org/x/image/colornames" + "golang.org/x/image/font/basicfont" +) + +type setting struct { + mode *pixelgl.VideoMode + monitor *pixelgl.Monitor +} + +var ( + texts []*text.Text + staticText *text.Text + settings []setting + activeSetting *setting + isFullScreen = false +) + +func run() { + cfg := pixelgl.WindowConfig{ + Title: "Video Modes", + Bounds: pixel.R(0, 0, 800, 600), + } + win, err := pixelgl.NewWindow(cfg) + if err != nil { + panic(err) + } + + atlas := text.NewAtlas(basicfont.Face7x13, text.ASCII) + + // Retrieve all monitors. + monitors := pixelgl.Monitors() + + texts = make([]*text.Text, len(monitors)) + key := byte('0') + for i := 0; i < len(monitors); i++ { + // Retrieve all video modes for a specific monitor. + modes := monitors[i].VideoModes() + for j := 0; j < len(modes); j++ { + settings = append(settings, setting{ + monitor: monitors[i], + mode: &modes[j], + }) + } + + texts[i] = text.New(pixel.V(10+250*float64(i), -20), atlas) + texts[i].Color = colornames.Black + texts[i].WriteString(fmt.Sprintf("MONITOR %s\n\n", monitors[i].Name())) + + for _, v := range modes { + texts[i].WriteString(fmt.Sprintf("(%c) %dx%d @ %d hz\n", key, v.Width, v.Height, v.RefreshRate)) + key++ + } + } + + staticText = text.New(pixel.V(10, 30), atlas) + staticText.Color = colornames.Black + staticText.WriteString("ESC to exit\nW toggles windowed/fullscreen") + + activeSetting = &settings[0] + + for !win.Closed() { + win.Clear(colornames.Antiquewhite) + + for _, txt := range texts { + txt.Draw(win, pixel.IM.Moved(pixel.V(0, win.Bounds().H()))) + } + staticText.Draw(win, pixel.IM) + + if win.JustPressed(pixelgl.KeyEscape) { + win.SetClosed(true) + } + + if win.JustPressed(pixelgl.KeyW) { + if isFullScreen { + // Switch to windowed and backup the correct monitor. + win.SetMonitor(nil) + isFullScreen = false + } else { + // Switch to fullscreen. + win.SetMonitor(activeSetting.monitor) + isFullScreen = true + } + win.SetBounds(pixel.R(0, 0, float64(activeSetting.mode.Width), float64(activeSetting.mode.Height))) + } + + input := win.Typed() + if len(input) > 0 { + key := int(input[0]) - 48 + fmt.Println(key) + if key >= 0 && key < len(settings) { + activeSetting = &settings[key] + + if isFullScreen { + win.SetMonitor(activeSetting.monitor) + } else { + win.SetMonitor(nil) + } + win.SetBounds(pixel.R(0, 0, float64(activeSetting.mode.Width), float64(activeSetting.mode.Height))) + } + } + + win.Update() + } +} + +func main() { + pixelgl.Run(run) +} diff --git a/pixelgl/monitor.go b/pixelgl/monitor.go index 7cf73a9..90ae7cc 100644 --- a/pixelgl/monitor.go +++ b/pixelgl/monitor.go @@ -10,6 +10,17 @@ type Monitor struct { monitor *glfw.Monitor } +// VideoMode represents all properties of a video mode and is +// associated with a monitor if it is used in fullscreen mode. +type VideoMode struct { + // Width is the width of the vide mode in pixels. + Width int + // Height is the height of the video mode in pixels. + Height int + // RefreshRate holds the refresh rate of the associated monitor in Hz. + RefreshRate int +} + // PrimaryMonitor returns the main monitor (usually the one with the taskbar and stuff). func PrimaryMonitor() *Monitor { var monitor *glfw.Monitor @@ -95,3 +106,19 @@ func (m *Monitor) RefreshRate() (rate float64) { rate = float64(mode.RefreshRate) return } + +// VideoModes returns all available video modes for the monitor. +func (m *Monitor) VideoModes() (vmodes []VideoMode) { + var modes []*glfw.VidMode + mainthread.Call(func() { + modes = m.monitor.GetVideoModes() + }) + for _, mode := range modes { + vmodes = append(vmodes, VideoMode{ + Width: mode.Width, + Height: mode.Height, + RefreshRate: mode.RefreshRate, + }) + } + return +}